Butterflies Reeling From Impacts of Climate and Development

California butterflies are reeling from a one-two punch of climate change and land development, says an unprecedented analysis led by UC Davis butterfly expert Arthur Shapiro. In one example, this butterfly, the Clodius Parnassian (Parnassius clodius), is more common at the top of its elevation range in California mountains than in the past. Credit: Heather Dwyer / UC Davis